upgrades for namespacing in oauth2-server-php
Revert "upgrades for namespacing in oauth2-server-php"

This reverts commit 5050fe499d59fbef21ab315866bed8a3a897cb91.
fixes BC issues with methods when upgrading to v0.9 tag
adds HttpFoundationBridge\Response class, now that we can inject the response object
remove Server object (deprecated), and update README
adds silex examples
merges develop for v0.9 tag
add composer installation instructions
Merge branch 'develop'